- Processing Talk
- Compare
- K1 3.5W vs S2 7W
Acmer K1 3.5W vs Acmer S2 7W
What K1 3.5W does better (1) and where S2 7W wins (5) — every spec side by side.
Dimensions
Size comparison
K1 3.5WS2 7W
| K1 3.5W | S2 7W | Difference | |
|---|---|---|---|
| Height | 190 mm | 195 mm | −5 mm |
| Width | 286 mm | 490 mm | −204 mm |
| Depth | 273 mm | 500 mm | −227 mm |
Drawn to the same scale from the official dimensions (front and side).
Why is K1 3.5W better than S2 7W?
- Enclosed (fully covered)Yes · S2 7W: No
Why is S2 7W better than K1 3.5W?
- Work area (surface)225 cm² vs 900 cm²4×
- Laser output power3.5 W vs 7 W2×
- Air assistNo · K1 3.5W: Yes
- Work area width (X)150 mm vs 300 mm2×
- Work area depth (Y)150 mm vs 300 mm2×
Specifications
Side by side
| General | ||
| Laser sources | Blue diode (≈455 nm) | Blue diode (≈455 nm) |
| Motion system | Gantry (XY rails) | Gantry (XY rails) |
| Two laser sources | No | No |
| Laser power | ||
| Laser output power | 3.5 W | 7 W |
| Work area | ||
| Work area | 150 × 150 mm | 300 × 300 mm |
| Work area width (X) | 150 mm | 300 mm |
| Work area depth (Y) | 150 mm | 300 mm |
| Work area (surface) | 225 cm² | 900 cm² |
| Speed & cutting | ||
| Max engraving / travel speed | 167 mm/s | 167 mm/s |
| Precision | ||
| Laser spot size | — | 0.06 mm |
| Positioning accuracy | 0.04 mm | — |
| Safety | ||
| Enclosed (fully covered) | Yes | No |
| Flame / fire detection | No | No |
| Features | ||
| Air assist | No | Yes |
| Built-in camera | No | No |
| Autofocus / auto height | No | No |
| Rotary attachment support | — | Yes |
| Connectivity & software | ||
| Compatible software | LightBurn | LightBurn |
| LightBurn compatible | Yes | Yes |
| Size & power | ||
| Width | 286 mm | 490 mm |
| Depth | 273 mm | 500 mm |
| Height | 190 mm | 195 mm |
| Weight | 2.4 kg | — |
